/* eslint-disable max-len */
import ruleTrigger from "./ruleTrigger"

let confGlobal
let someSpanIsNot24

export function dialogWrapper(str) {
	return `<el-dialog v-bind="$attrs" v-on="$listeners" @open="onOpen" @close="onClose" title="Dialog Titile">
    ${str}
    <div slot="footer">
      <el-button @click="close">取消</el-button>
      <el-button type="primary" @click="handelConfirm">确定</el-button>
    </div>
  </el-dialog>`
}

export function vueTemplate(str) {
	return `<template>
    <div>
      ${str}
    </div>
  </template>`
}

export function vueScript(str) {
	return `<script>
    ${str}
  </script>`
}

export function cssStyle(cssStr) {
	return `<style>
    ${cssStr}
  </style>`
}

function buildFormTemplate(scheme, child, type) {
	let labelPosition = ""
	if (scheme.labelPosition !== "right") {
		labelPosition = `label-position="${scheme.labelPosition}"`
	}
	const disabled = scheme.disabled ? `:disabled="${scheme.disabled}"` : ""
	let str = `<el-form ref="${scheme.formRef}" :model="${scheme.formModel}" :rules="${scheme.formRules}" size="${
		scheme.size
	}" ${disabled} label-width="${scheme.labelWidth}px" ${labelPosition}>
      ${child}
      ${buildFromBtns(scheme, type)}
    </el-form>`
	if (someSpanIsNot24) {
		str = `<el-row :gutter="${scheme.gutter}">
        ${str}
      </el-row>`
	}
	return str
}

function buildFromBtns(scheme, type) {
	let str = ""
	if (scheme.formBtns && type === "file") {
		str = `<el-form-item size="large">
          <el-button type="primary" @click="submitForm">提交</el-button>
          <el-button @click="resetForm">重置</el-button>
        </el-form-item>`
		if (someSpanIsNot24) {
			str = `<el-col :span="24">
          ${str}
        </el-col>`
		}
	}
	return str
}

// span不为24的用el-col包裹
function colWrapper(scheme, str) {
	if (someSpanIsNot24 || scheme.__config__.span !== 24) {
		return `<el-col :span="${scheme.__config__.span}">
      ${str}
    </el-col>`
	}
	return str
}

const layouts = {
	colFormItem(scheme) {
		const config = scheme.__config__
		//表单不展示标签
		if (["create_user", "create_time"].includes(config.tag)) {
			return ""
		}
		let labelWidth = ""
		let label = `label="${config.label}"`
		if (config.labelWidth && config.labelWidth !== confGlobal.labelWidth) {
			labelWidth = `label-width="${config.labelWidth}px"`
		}
		if (config.showLabel === false) {
			labelWidth = 'label-width="0"'
			label = ""
		}
		const required = !ruleTrigger[config.tag] && config.required ? "required" : ""
		const tagDom = tags[config.tag] ? tags[config.tag](scheme) : null
		let str = `<el-form-item ${labelWidth} ${label} prop="${scheme.__vModel__}" ${required}>
        ${tagDom}
      </el-form-item>`
		//分割线
		if ("el-divider" == config.tag) {
			str = `${tagDom}`
		}
		str = colWrapper(scheme, str)
		return str
	},
	rowFormItem(scheme) {
		const config = scheme.__config__
		const type = scheme.type === "default" ? "" : `type="${scheme.type}"`
		const justify = scheme.type === "default" ? "" : `justify="${scheme.justify}"`
		const align = scheme.type === "default" ? "" : `align="${scheme.align}"`
		const gutter = scheme.gutter ? `:gutter="${scheme.gutter}"` : ""
		const children = config.children.map(el => layouts[el.__config__.layout](el))
		let str = `<el-row ${type} ${justify} ${align} ${gutter}>
      ${children.join("\n")}
    </el-row>`
		str = colWrapper(scheme, str)
		return str
	},
}

const tags = {
	"el-button": el => {
		const { tag, disabled } = attrBuilder(el)
		const type = el.type ? `type="${el.type}"` : ""
		const icon = el.icon ? `icon="${el.icon}"` : ""
		const round = el.round ? "round" : ""
		const size = el.size ? `size="${el.size}"` : ""
		const plain = el.plain ? "plain" : ""
		const circle = el.circle ? "circle" : ""
		let child = buildElButtonChild(el)

		if (child) child = `\n${child}\n` // 换行
		return `<${tag} ${type} ${icon} ${round} ${size} ${plain} ${disabled} ${circle}>${child}</${tag}>`
	},
	"el-input": el => {
		const { tag, disabled, vModel, clearable, placeholder, width } = attrBuilder(el)
		const maxlength = el.maxlength ? `:maxlength="${el.maxlength}"` : ""
		const showWordLimit = el["show-word-limit"] ? "show-word-limit" : ""
		const readonly = el.readonly ? "readonly" : ""
		const prefixIcon = el["prefix-icon"] ? `prefix-icon='${el["prefix-icon"]}'` : ""
		const suffixIcon = el["suffix-icon"] ? `suffix-icon='${el["suffix-icon"]}'` : ""
		const showPassword = el["show-password"] ? "show-password" : ""
		const type = el.type ? `type="${el.type}"` : ""
		const autosize =
			el.autosize && el.autosize.minRows ? `:autosize="{minRows: ${el.autosize.minRows}, maxRows: ${el.autosize.maxRows}}"` : ""
		let child = buildElInputChild(el)

		if (child) child = `\n${child}\n` // 换行
		return `<${tag} ${vModel} ${type} ${placeholder} ${maxlength} ${showWordLimit} ${readonly} ${disabled} ${clearable} ${prefixIcon} ${suffixIcon} ${showPassword} ${autosize} ${width}>${child}</${tag}>`
	},
	"el-input-number": el => {
		const { tag, disabled, vModel, placeholder } = attrBuilder(el)
		const controlsPosition = el["controls-position"] ? `controls-position=${el["controls-position"]}` : ""
		const min = el.min ? `:min='${el.min}'` : ""
		const max = el.max ? `:max='${el.max}'` : ""
		const step = el.step ? `:step='${el.step}'` : ""
		const stepStrictly = el["step-strictly"] ? "step-strictly" : ""
		const precision = el.precision ? `:precision='${el.precision}'` : ""

		return `<${tag} ${vModel} ${placeholder} ${step} ${stepStrictly} ${precision} ${controlsPosition} ${min} ${max} ${disabled}></${tag}>`
	},
	"el-select": el => {
		const { tag, disabled, vModel, clearable, placeholder, width } = attrBuilder(el)
		const filterable = el.filterable ? "filterable" : ""
		const multiple = el.multiple ? "multiple" : ""
		let child = buildElSelectChild(el)

		if (child) child = `\n${child}\n` // 换行
		return `<${tag} ${vModel} ${placeholder} ${disabled} ${multiple} ${filterable} ${clearable} ${width}>${child}</${tag}>`
	},
	"el-radio-group": el => {
		const { tag, disabled, vModel } = attrBuilder(el)
		const size = `size="${el.size}"`
		let child = buildElRadioGroupChild(el)

		if (child) child = `\n${child}\n` // 换行
		return `<${tag} ${vModel} ${size} ${disabled}>${child}</${tag}>`
	},
	"el-checkbox-group": el => {
		const { tag, disabled, vModel } = attrBuilder(el)
		const size = `size="${el.size}"`
		const min = el.min ? `:min="${el.min}"` : ""
		const max = el.max ? `:max="${el.max}"` : ""
		let child = buildElCheckboxGroupChild(el)

		if (child) child = `\n${child}\n` // 换行
		return `<${tag} ${vModel} ${min} ${max} ${size} ${disabled}>${child}</${tag}>`
	},
	"el-switch": el => {
		const { tag, disabled, vModel } = attrBuilder(el)
		const activeText = el["active-text"] ? `active-text="${el["active-text"]}"` : ""
		const inactiveText = el["inactive-text"] ? `inactive-text="${el["inactive-text"]}"` : ""
		const activeColor = el["active-color"] ? `active-color="${el["active-color"]}"` : ""
		const inactiveColor = el["inactive-color"] ? `inactive-color="${el["inactive-color"]}"` : ""
		const activeValue = el["active-value"] !== true ? `:active-value='${JSON.stringify(el["active-value"])}'` : ""
		const inactiveValue = el["inactive-value"] !== false ? `:inactive-value='${JSON.stringify(el["inactive-value"])}'` : ""

		return `<${tag} ${vModel} ${activeText} ${inactiveText} ${activeColor} ${inactiveColor} ${activeValue} ${inactiveValue} ${disabled}></${tag}>`
	},
	"el-cascader": el => {
		const { tag, disabled, vModel, clearable, placeholder, width } = attrBuilder(el)
		const options = el.options ? `:options="${el.__vModel__}Options"` : ""
		const props = el.props ? `:props="${el.__vModel__}Props"` : ""
		const showAllLevels = el["show-all-levels"] ? "" : ':show-all-levels="false"'
		const filterable = el.filterable ? "filterable" : ""
		const separator = el.separator === "/" ? "" : `separator="${el.separator}"`

		return `<${tag} ${vModel} ${options} ${props} ${width} ${showAllLevels} ${placeholder} ${separator} ${filterable} ${clearable} ${disabled}></${tag}>`
	},
	"el-slider": el => {
		const { tag, disabled, vModel } = attrBuilder(el)
		const min = el.min ? `:min='${el.min}'` : ""
		const max = el.max ? `:max='${el.max}'` : ""
		const step = el.step ? `:step='${el.step}'` : ""
		const range = el.range ? "range" : ""
		const showStops = el["show-stops"] ? `:show-stops="${el["show-stops"]}"` : ""

		return `<${tag} ${min} ${max} ${step} ${vModel} ${range} ${showStops} ${disabled}></${tag}>`
	},
	"el-time-picker": el => {
		const { tag, disabled, vModel, clearable, placeholder, width } = attrBuilder(el)
		const startPlaceholder = el["start-placeholder"] ? `start-placeholder="${el["start-placeholder"]}"` : ""
		const endPlaceholder = el["end-placeholder"] ? `end-placeholder="${el["end-placeholder"]}"` : ""
		const rangeSeparator = el["range-separator"] ? `range-separator="${el["range-separator"]}"` : ""
		const isRange = el["is-range"] ? "is-range" : ""
		const format = el.format ? `format="${el.format}"` : ""
		const valueFormat = el["value-format"] ? `value-format="${el["value-format"]}"` : ""
		const pickerOptions = el["picker-options"] ? `:picker-options='${JSON.stringify(el["picker-options"])}'` : ""

		return `<${tag} ${vModel} ${isRange} ${format} ${valueFormat} ${pickerOptions} ${width} ${placeholder} ${startPlaceholder} ${endPlaceholder} ${rangeSeparator} ${clearable} ${disabled}></${tag}>`
	},
	"el-date-picker": el => {
		const { tag, disabled, vModel, clearable, placeholder, width } = attrBuilder(el)
		const startPlaceholder = el["start-placeholder"] ? `start-placeholder="${el["start-placeholder"]}"` : ""
		const endPlaceholder = el["end-placeholder"] ? `end-placeholder="${el["end-placeholder"]}"` : ""
		const rangeSeparator = el["range-separator"] ? `range-separator="${el["range-separator"]}"` : ""
		const format = el.format ? `format="${el.format}"` : ""
		const valueFormat = el["value-format"] ? `value-format="${el["value-format"]}"` : ""
		const type = el.type === "date" ? "" : `type="${el.type}"`
		const readonly = el.readonly ? "readonly" : ""

		return `<${tag} ${type} ${vModel} ${format} ${valueFormat} ${width} ${placeholder} ${startPlaceholder} ${endPlaceholder} ${rangeSeparator} ${clearable} ${readonly} ${disabled}></${tag}>`
	},
	"el-rate": el => {
		const { tag, disabled, vModel } = attrBuilder(el)
		const max = el.max ? `:max='${el.max}'` : ""
		const allowHalf = el["allow-half"] ? "allow-half" : ""
		const showText = el["show-text"] ? "show-text" : ""
		const showScore = el["show-score"] ? "show-score" : ""

		return `<${tag} ${vModel} ${max} ${allowHalf} ${showText} ${showScore} ${disabled}></${tag}>`
	},
	"el-color-picker": el => {
		const { tag, disabled, vModel } = attrBuilder(el)
		const size = `size="${el.size}"`
		const showAlpha = el["show-alpha"] ? "show-alpha" : ""
		const colorFormat = el["color-format"] ? `color-format="${el["color-format"]}"` : ""

		return `<${tag} ${vModel} ${size} ${showAlpha} ${colorFormat} ${disabled}></${tag}>`
	},
	"el-upload": el => {
		const { tag } = el.__config__
		const disabled = el.disabled ? ":disabled='true'" : ""
		const action = el.action ? `:action="${el.__vModel__}Action"` : ""
		const multiple = el.multiple ? "multiple" : ""
		const listType = el["list-type"] !== "text" ? `list-type="${el["list-type"]}"` : ""
		const accept = el.accept ? `accept="${el.accept}"` : ""
		const name = el.name !== "file" ? `name="${el.name}"` : ""
		const autoUpload = el["auto-upload"] === false ? ':auto-upload="false"' : ""
		const beforeUpload = `:before-upload="${el.__vModel__}BeforeUpload"`
		const fileList = `:file-list="${el.__vModel__}fileList"`
		const ref = `ref="${el.__vModel__}"`
		let child = buildElUploadChild(el)

		if (child) child = `\n${child}\n` // 换行
		return `<${tag} ${ref} ${fileList} ${action} ${autoUpload} ${multiple} ${beforeUpload} ${listType} ${accept} ${name} ${disabled}>${child}</${tag}>`
	},
	tinymce: el => {
		const { tag, vModel, placeholder } = attrBuilder(el)
		const height = el.height ? `:height="${el.height}"` : ""
		const branding = el.branding ? `:branding="${el.branding}"` : ""
		return `<${tag} ${vModel} ${placeholder} ${height} ${branding}></${tag}>`
	},
	"fortress-editor": el => {
		// const { tag, vModel } = attrBuilder(el)
		// const height = el.height ? `:height="${el.height}"` : ""
		// const branding = el.branding ? `:branding="${el.branding}"` : ""
		// return `<${tag} ${vModel} ${height} ${branding}></${tag}>`

		const { vModel } = attrBuilder(el)
		const height = el.height ? `:height="${el.height}"` : ""
		const branding = el.branding ? `:branding="${el.branding}"` : ""
		const style = ""

		return `<fortress-wang-editor ${vModel} ${height} ${branding} ${style}></fortress-wang-editor>`
	},
	"fortress-wang-editor": el => {
		const { vModel } = attrBuilder(el)
		const height = el.height ? `:height="${el.height}"` : ""
		const branding = el.branding ? `:branding="${el.branding}"` : ""
		const style = ""

		return `<fortress-wang-editor ${vModel} ${height} ${branding} ${style}></fortress-wang-editor>`
	},
	"image-upload": el => {
		const multiple = el.multiple
		const limit = el.__config__.limit ? `:limit="${el.__config__.limit}"` : ""
		const size = el.__config__.fileSize ? `:size="${el.__config__.fileSize}"` : ""
		const height = el.height ? `:height="${el.height}"` : ""
		return `<fortress-upload type="image"  name="${el.__vModel__}" :formData="${confGlobal.formModel}" :multiple="${multiple}" ${limit} ${size} ${height} ></fortress-upload>`
	},
	"file-upload": el => {
		const multiple = el.multiple
		const limit = el.__config__.limit ? `:limit="${el.__config__.limit}"` : ""
		const size = el.__config__.fileSize ? `:size="${el.__config__.fileSize}"` : ""
		const height = el.height ? `:height="${el.height}"` : ""
		return `<fortress-upload type="file"  name="${el.__vModel__}" :formData="${confGlobal.formModel}" ${limit} ${size} :multiple="${multiple}" ${height} ></fortress-upload>`
	},
	"video-upload": el => {
		const size = el.__config__.fileSize ? `:size="${el.__config__.fileSize}"` : ""
		const height = el.height ? `:height="${el.height}"` : ""
		return `<fortress-upload type="video"  name="${el.__vModel__}" :formData="${confGlobal.formModel}"  ${size}  ${height} ></fortress-upload>`
	},
	"el-divider": el => {
		const position = el.__config__.position ? `content-position="${el.__config__.position}"` : 'content-position="left"'
		const height = el.height ? `:height="${el.height}"` : ""
		return `<el-divider    ${position}  ${height} >${el.__config__.label}</el-divider>`
	},
	"fortress-region": el => {
		return `<fortress-region ref="${el.__vModel__}" @ftregion="${el.__vModel__}RegionHandler" clearable placeholder="${el.placeholder}" ></fortress-region>`
	},
	create_user: el => {
		return ""
	},
	phone_sms: el => {
		const { clearable, placeholder } = attrBuilder(el)
		const vModel = `v-model="${confGlobal.formModel}.phone_sms"`
		const code_vModel = `v-model="${confGlobal.formModel}.code_sms"`
		const width = `:style="{width: '80%'}"`
		const config = el.__config__
		let labelWidth = ""
		let label = `label="验证码"`
		if (config.labelWidth && config.labelWidth !== confGlobal.labelWidth) {
			labelWidth = `label-width="${config.labelWidth}px"`
		}
		if (config.showLabel === false) {
			labelWidth = 'label-width="0"'
			label = ""
		}
		const required = !ruleTrigger[config.tag] && config.required ? "required" : ""
		return `<el-input ${vModel} ${placeholder} ${clearable} ${width}></el-input>&nbsp;<el-button type="primary" @click="getCode" :disabled="smsTimer!=${config.intervalSecond}">{{ codeSmsDesc }}</el-button>
    </el-form-item>
    <el-form-item ${labelWidth} ${label} prop="code_sms" ${required} v-if="smsCodeFlag">
    <el-input ${code_vModel} placeholder="请输入验证码" clearable :style="{width: '80%'}" ></el-input>`
	},
	span: el => {
		const { tag, vModel, defaultValue } = attrBuilder(el)
		const height = el.height ? `:height="${el.height}"` : ""
		const branding = el.branding ? `:branding="${el.branding}"` : ""
		return `<${tag} ${vModel} ${height} ${branding}>${defaultValue}</${tag}>`
	},
}

function attrBuilder(el) {
	return {
		tag: el.__config__.tag,
		vModel: `v-model="${confGlobal.formModel}.${el.__vModel__}"`,
		clearable: el.clearable ? "clearable" : "",
		placeholder: el.placeholder ? `placeholder="${el.placeholder}"` : "",
		width: el.style && el.style.width ? ":style=\"{width: '100%'}\"" : "",
		disabled: el.disabled ? ":disabled='true'" : "",
		defaultValue: el.__config__.defaultValue,
	}
}

// el-buttin 子级
function buildElButtonChild(scheme) {
	const children = []
	const slot = scheme.__slot__ || {}
	if (slot.default) {
		children.push(slot.default)
	}
	return children.join("\n")
}

// el-input 子级
function buildElInputChild(scheme) {
	const children = []
	const slot = scheme.__slot__
	if (slot && slot.prepend) {
		children.push(`<template slot="prepend">${slot.prepend}</template>`)
	}
	if (slot && slot.append) {
		children.push(`<template slot="append">${slot.append}</template>`)
	}
	return children.join("\n")
}

// el-select 子级
function buildElSelectChild(scheme) {
	const children = []
	const slot = scheme.__slot__
	if (slot && slot.options && slot.options.length) {
		children.push(
			`<el-option v-for="(item, index) in ${scheme.__vModel__}Options" :key="index" :label="item.label" :value="item.value" :disabled="item.disabled"></el-option>`,
		)
	}
	return children.join("\n")
}

// el-radio-group 子级
function buildElRadioGroupChild(scheme) {
	const children = []
	const slot = scheme.__slot__
	const config = scheme.__config__
	if (slot && slot.options && slot.options.length) {
		const tag = config.optionType === "button" ? "el-radio-button" : "el-radio"
		const border = config.border ? "border" : ""
		children.push(
			`<${tag} v-for="(item, index) in ${scheme.__vModel__}Options" :key="index" :label="item.value" :disabled="item.disabled" ${border}>{{item.label}}</${tag}>`,
		)
	}
	return children.join("\n")
}

// el-checkbox-group 子级
function buildElCheckboxGroupChild(scheme) {
	const children = []
	const slot = scheme.__slot__
	const config = scheme.__config__
	if (slot && slot.options && slot.options.length) {
		const tag = config.optionType === "button" ? "el-checkbox-button" : "el-checkbox"
		const border = config.border ? "border" : ""
		children.push(
			`<${tag} v-for="(item, index) in ${scheme.__vModel__}Options" :key="index" :label="item.value" :disabled="item.disabled" ${border}>{{item.label}}</${tag}>`,
		)
	}
	return children.join("\n")
}

// el-upload 子级
function buildElUploadChild(scheme) {
	const list = []
	const config = scheme.__config__
	if (scheme["list-type"] === "picture-card") list.push('<i class="el-icon-plus"></i>')
	else list.push(`<el-button size="small" type="primary" icon="el-icon-upload">${config.buttonText}</el-button>`)
	if (config.showTip)
		list.push(`<div slot="tip" class="el-upload__tip">只能上传不超过 ${config.fileSize}${config.sizeUnit} 的${scheme.accept}文件</div>`)
	return list.join("\n")
}

/**
 * 组装html代码。【入口函数】
 * @param {Object} formConfig 整个表单配置
 * @param {String} type 生成类型，文件或弹窗等
 */
export function makeUpHtml(formConfig, type) {
	const htmlList = []
	confGlobal = formConfig
	// 判断布局是否都沾满了24个栅格，以备后续简化代码结构
	someSpanIsNot24 = formConfig.fields.some(item => item.__config__.span !== 24)
	// 遍历渲染每个组件成html
	formConfig.fields.forEach(el => {
		htmlList.push(layouts[el.__config__.layout](el))
	})
	const htmlStr = htmlList.join("\n")
	// 将组件代码放进form标签
	let temp = buildFormTemplate(formConfig, htmlStr, type)
	// dialog标签包裹代码
	if (type === "dialog") {
		temp = dialogWrapper(temp)
	}
	confGlobal = null
	return temp
}
